"give me a place to stand and i can move the world" is what type of figuratively language?

Ineed an essay 1200words about obezity ,introduction,main causes,conclusion

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer

Fibers from the medial side of each eye cross over to the opposite side of the brain at the